From 92b6c5bdcef4589acaa824c2fc599787c02c1832 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Sun, 3 Oct 2021 20:33:33 +0200
Subject: [PATCH] feat: add isChangeOrigin helper method

---
 packages/extension-collaboration/package.json               | 1 +
 .../extension-collaboration/src/helpers/isChangeOrigin.ts   | 6 ++++++
 packages/extension-collaboration/src/index.ts               | 1 +
 3 files changed, 8 insertions(+)
 create mode 100644 packages/extension-collaboration/src/helpers/isChangeOrigin.ts

diff --git a/packages/extension-collaboration/package.json b/packages/extension-collaboration/package.json
index 6c85c4be..3e6be56a 100644
--- a/packages/extension-collaboration/package.json
+++ b/packages/extension-collaboration/package.json
@@ -24,6 +24,7 @@
     "@tiptap/core": "^2.0.0-beta.1"
   },
   "dependencies": {
+    "prosemirror-state": "^1.3.4",
     "y-prosemirror": "^1.0.9"
   },
   "repository": {
diff --git a/packages/extension-collaboration/src/helpers/isChangeOrigin.ts b/packages/extension-collaboration/src/helpers/isChangeOrigin.ts
new file mode 100644
index 00000000..285ec21d
--- /dev/null
+++ b/packages/extension-collaboration/src/helpers/isChangeOrigin.ts
@@ -0,0 +1,6 @@
+import { ySyncPluginKey } from 'y-prosemirror'
+import { Transaction } from 'prosemirror-state'
+
+export function isChangeOrigin(transaction: Transaction): boolean {
+  return !!transaction.getMeta(ySyncPluginKey)
+}
diff --git a/packages/extension-collaboration/src/index.ts b/packages/extension-collaboration/src/index.ts
index 03ed9383..a81f764b 100644
--- a/packages/extension-collaboration/src/index.ts
+++ b/packages/extension-collaboration/src/index.ts
@@ -1,5 +1,6 @@
 import { Collaboration } from './collaboration'
 
 export * from './collaboration'
+export * from './helpers/isChangeOrigin'
 
 export default Collaboration